Compare PDF
Compare two PDFs and see exactly what changed — semantically, not just visually.
AI-poweredYour file stays in your browser — only the text is sent for AI processing, and it's never stored, logged or used for training.
Drop files, paste, or click to browse
Files are processed in your browser — they never leave your device.
Add the original PDF first, then the new version (exactly two files).
Add 2 more files.
How to compare pdf
Compare two PDFs and see exactly what changed — semantically, not just visually. To use Compare PDF: 1) add your files by dragging them in or clicking to browse, 2) let the ai process your document, 3) download your result — done in seconds. It's free, needs no signup, and most tools run right in your browser so your files never leave your device.
Frequently asked questions
- Is Compare PDF free to use?
- Yes. Compare PDF is free to use. It's free, needs no signup, and most tools run right in your browser so your files never leave your device.
- Are my files safe and private?
- Yes. Files are processed on encrypted servers and automatically deleted within about an hour. They are never logged or shared.
- Do I need to install anything?
- No. Compare PDF works in any modern web browser on Windows, Mac, Linux, iPhone and Android — nothing to install.
- Can I process more than one file at once?
- Yes, you can add several files and Compare PDF will handle them together.